diff --git a/ChangeLog b/ChangeLog
index 9c424962..74973f3e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -38,6 +38,8 @@ ver. 0.10.3-dev-1 (20??/??/??) - development edition
 * `filter.d/asterisk.conf`: fixed failregex prefix by log over remote syslog server (gh-2060);
 * `filter.d/exim.conf`: failregex extended - SMTP call dropped: too many syntax or protocol errors (gh-2048);
 * `filter.d/recidive.conf`: fixed if logging into systemd-journal (SYSLOG) with daemon name in prefix, gh-2069;
+* `filter.d/sendmail-auth.conf`, `filter.d/sendmail-reject.conf` :
+  - fixed failregex, sendmail uses prefix 'IPv6:' logging of IPv6 addresses (gh-2064);
 * `filter.d/sshd.conf`:
   - failregex got an optional space in order to match new log-format (see gh-2061);
   - fixed ddos-mode regex to match refactored message (some versions can contain port now, see gh-2062);